Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

Rock-cut caves and 7,000 Buddhist sculptures carved into the nearly sheer face of a sandstone mountain.

Centuries-old bridges grown from tangled roots.

A sprawling collection of over 106,000 toys from around the world.

Seller of surplus nuclear research materials.

A house carved into a rock in the 1940s.

The largest self-built castle in the U.S., six decades in the making.

"All Mountains - All The Time."